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Question on carbon dioxide and convective cells

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pgarrone@acay.com.au Question on carbon dioxide... February 24th 07, 05:44 AM

D Smith Question on carbon... February 24th 07, 08:04 PM

Øyvind Seland Question on carbon... February 26th 07, 11:29 AM

pgarrone@acay.com.au Question on carbon... March 3rd 07, 11:14 PM

\yvind Seland Question on carbon... March 5th 07, 12:14 PM

Szczepan Bia³ek Question on carbon... March 11th 07, 11:06 AM

Szczepan Bialek Question on carbon... March 12th 07, 09:33 AM

Szczepan Bia³ek Question on carbon... March 18th 07, 11:40 AM

Szczepan Bia³ek Question on carbon... March 18th 07, 05:58 PM

Szczepan Bia³ek Question on carbon... March 19th 07, 09:26 AM

Szczepan Bialek Question on carbon... March 21st 07, 10:02 AM

William Asher Question on carbon... March 21st 07, 04:16 PM

Szczepan Bia³ek Question on carbon... March 21st 07, 05:56 PM

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February 26th 07, 11:29 AM posted to sci.geo.meteorology

Øyvind Seland Øyvind Seland is offline

Øyvind Seland is offline

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Question on carbon dioxide and convective cells

In article .com, writes:
Would not extra atmospheric carbon dioxide increase the efficiency of
the Hadley, Ferrel, and Polar cells in cooling the earth's surface by
causing the upper troposphere to radiate better?

To be more specific, say the tradewinds blow across the heated ocean.
Evaporation occurs, cooling the ocean. A thunderstorm, front, or
cyclone happens, precipation occurs, the air is heated, and rises. In
the upper troposphere it cools, before descending to complete the
cycle. However it can only cool because it contains carbon dioxide, as
oxygen, nitrogen, if they do not absorb, neither shall they emit
radiation. This presumes that water vapor is insignificant at these
elevated altitudes. If the CO2 is increased by a large fraction, then
the radiation should be similarly enhanced.

Obviously I am out on my own with this analysis. I'm curious why it's
wrong though.

There are no physical law demanding that material has to absorb radiation
in order to emit. It has to emit if it is absorbing.

CO2 transfer energy to N2 and O2 by molecular collisions.

Øyvind Seland

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